Red Stains and Dyes and Indicators

Eosin Y (1% Solution in Water), Fisher Chemical

Chemical Name or Material: Eosin Y, 1% Solution in Water CAS: 17372-87-1 CAS: 7732-18-5 MDL Number: MFCD00005040

Methyl Red Sodium Salt, Reagent ACS, ACROS Organics™

Chemical Name or Material: Methyl Red, sodium salt Name Note: Pure CAS: 845-10-3 Purity Grade: ACS Reagent Molecular Formula: C15H14N3NaO2 Linear Formula: (CH3)2NC6H4N=NC6H4CO2Na Formula Weight: 291.27g/mol MDL Number: MFCD00002426 Synonym: 2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt

Methyl Red Indicator Solution, 0.02% Products for Science Education

Chemical Name or Material: Methyl Red Indicator Solution, 0.02% CAS: 845-10-3 Linear Formula: C15H14N3O2Na Formula Weight: 291.28g/mol Synonym: Methyl Red In Alcohol

Phenol Red, Sodium Salt (Certified ACS), Fisher Chemical

Chemical Name or Material: Phenol Red, Sodium Salt CAS: 34487-61-1 Purity Grade: Certified ACS Molecular Formula: C19H13NaO5S Linear Formula: C6H4SO2OC(C6H4-4-OH)(C6H4-4-ONa) Formula Weight: 376.37g/mol MDL Number: MFCD00066901 Synonym: Phenolsulfonephthalein Sodium Salt

Methyl Red, Free Acid (Certified), Fisher Chemical

Chemical Name or Material: Methyl Red, Free Acid CAS: 493-52-7 Purity Grade: Certified Molecular Formula: C15H15N3O2 Linear Formula: 4-(CH3)2N-C6H4-N:N-2-(CO2H)C6H4 Formula Weight: 269.3g/mol MDL Number: MFCD00002425 Synonym: Acid Red 2

Eosin Y (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Eosin Y CAS: 17372-87-1 Purity Grade: Certified Biological Stain Molecular Formula: C20H8Br4O5 · 2 Na Formula Weight: 691.85g/mol MDL Number: MFCD00005040 Synonym: Acid Red 87

Phenol Red Indicator Solution, 0.02% w/v Products for Science Education

Chemical Name or Material: Phenol Red Indicator Solution, 0.02% w/v CAS: 34487-61-1 Assay Percent Range: 97 to 100% Linear Formula: C19H13NaO5S Formula Weight: 376.36g/mol Synonym: Phenolsulfonephthalein Sodium Salt

Methyl Red Indicator Products for Science Education

Chemical Name or Material: Methyl Red Indicator CAS: 845-10-3 Linear Formula: C15H14N3O2Na Formula Weight: 291.28g/mol Synonym: Methyl Red In Alcohol

Quinaldine red, pure, ACROS Organics™

Chemical Name or Material: Quinaldine red Name Note: Pure CAS: 117-92-0 Purity Grade: Pure Molecular Formula: C21H23IN2 Formula Weight: 430.32g/mol MDL Number: MFCD00011968 Synonym: 2-[4-(Dimethylamino)styryl]-1-ethylquinolinium iodide

Congo Red (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Congo Red CAS: 573-58-0 Purity Grade: Certified Biological Stain Molecular Formula: C32 H22N6Na2O6S2 Formula Weight: 696.65g/mol Synonym: Diphenyl Bisazonaphthionic Acid

Eosin Y, pure, Indicator grade, ACROS Organics™

Chemical Name or Material: Eosin Y CAS: 17372-87-1 Purity Grade: Pure Molecular Formula: C20H6Br4Na2O5 Formula Weight: 691.85g/mol MDL Number: MFCD00005040 Synonym: 2';, 4';, 5';

Sudan IV (Certified Biological Stain), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sudan IV CAS: 85-83-6 Purity Grade: Certified Biological Stain Molecular Formula: C24H20N4O Formula Weight: 380.45g/mol MDL Number: MFCD00003893 Synonym: Lipid Crimson

Eosin Y, 0.25% Alcoholic, Fisher Chemical

Chemical Name or Material: Eosin Y, Alcoholic Name Note: 0.25% Solution CAS: 64-17-5 CAS: 67-63-0 CAS: 67-56-1 CAS: 17372-87-1 CAS: 7732-18-5 MDL Number: MFCD00036189 Synonym: Acid Red 87

Phenol Red Indicator, ACS Grade Products for Science Education

Chemical Name or Material: Phenol Red Indicator CAS: 34487-61-1 Assay Percent Range: 97 to 100% Linear Formula: C19H13NaO5S Formula Weight: 376.36g/mol Synonym: Phenolsulfonephthalein Sodium

Eosin B, Certified, Pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Eosin B Name Note: Pure CAS: 548-24-3 Purity Grade: Pure Molecular Formula: C20H6Br2N2Na2O9 Formula Weight: 624.06g/mol MDL Number: MFCD00005041 Synonym: 4', 5'-Dibromo-2', 7'-dinitrofluorescein

Congo Red, 0.1% Aqueous Solution Products for Science Education

Chemical Name or Material: Congo Red, 0.1% Aqueous Solution CAS: 573-58-0 CAS: 7732-18-5 Assay Percent Range: <1% w/v

Fuchsin Basic (Pararosaniline/Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Fuchsin Basic CAS: 632-99-5 Purity Grade: Certified Biological Stain Physical Form: Solid Molecular Formula: C20H19N3 · HCl MDL Number: MFCD00001657 Synonym: Magenta

Cresol Red Solution, 0.02% Products for Science Education

Chemical Name or Material: Cresol Red Solution, 0.02% CAS: 62625-29-0 CAS: 7732-18-5 Assay Percent Range: 0.02% w/v

Neutral Red (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Neutral Red CAS: 553-24-2 Purity Grade: Certified Biological Stain Molecular Formula: C15H17ClN4 Formula Weight: 288.78g/mol MDL Number: MFCD00012651 Synonym: Basic Red 5

Methyl Red, Sodium Salt (Certified ACS), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Methyl Red, Sodium Salt CAS: 845-10-3 Purity Grade: Certified ACS Molecular Formula: C15H14N3O2Na Linear Formula: 4-(CH3)2NC6H4-N:N-2-(CO2Na)C6H4 Formula Weight: 291.28g/mol MDL Number: MFCD00002426 Synonym: Acid Red 2, Sodium Salt

Phenol Red, Indicator, ACROS Organics™

Chemical Name or Material: Phenol Red CAS: 143-74-8 Purity Grade: Extra Pure Molecular Formula: C19H14O5S Formula Weight: 354.38g/mol MDL Number: MFCD00003552 Synonym: Phenolsulfonephthalein

Phenol Red, Free Acid (Certified ACS), Fisher Chemical

Chemical Name or Material: Phenol Red, Free Acid CAS: 143-74-8 Purity Grade: Certified ACS Molecular Formula: C19H14O5S Linear Formula: C6H4SO2OC(C6H4-4-OH)2 Formula Weight: 354.39g/mol MDL Number: MFCD00003552 Synonym: 4, 4'-(3H-2, 1-Benzoxathiol-3-yildene)bisphenol S

Eosin B (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Eosin B CAS: 548-24-3 Purity Grade: Certified Biological Stain Molecular Formula: C20H6Br2N2O9Na2 Formula Weight: 624.09g/mol MDL Number: MFCD00005041 Synonym: Acid Red 91

Congo Red, Biological Stain, pH Indicator Products for Science Education

Chemical Name or Material: Congo Red, Biological Stain, pH Indicator CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Linear Formula: C32H22N6Na2O6S2 Formula Weight: 696.67g/mol Synonym: C.I. Direct Red 28

Alizarin Red S, FSE Products for Science Education

Chemical Name or Material: Alizarin Red S CAS: 130-22-3 Molecular Formula: C14H7NaO7S Linear Formula: C14H7NaO7S Formula Weight: 342.26g/mol Synonym: Mordant Red 3

Cresol Red, Sodium Salt Products for Science Education

Chemical Name or Material: Cresol Red, Sodium Salt CAS: 62625-29-0 Physical Form: Solid Molecular Formula: C21H17O5S Linear Formula: C21H17NaO5S Formula Weight: 404.4g/mol Synonym: O-Cresolsulfonephthalein

Methyl Red Indicator, 0.02% (w/v) in Methanol, Ricca Chemical

Chemical Name or Material: Methyl Red Indicator

Neutral Red, pure, high purity biological stain, ACROS Organics™

Chemical Name or Material: Neutral red Name Note: High purity biological stain CAS: 553-24-2 Purity Grade: Extra pure Molecular Formula: C15H17ClN4 Formula Weight: 288.77g/mol MDL Number: MFCD00012651 Synonym: 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride

Bordeaux R, pure, ACROS Organics™

Chemical Name or Material: Bordeaux R CAS: 5858-33-3 Purity Grade: Pure Molecular Formula: C20H12N2Na2O7S2 Formula Weight: 502.41g/mol MDL Number: MFCD00003887 Synonym: 3-Hydroxy-4-(1-naphthylazo)-2, 7-naphthalenedisulfonic acid, disodium salt

Phenol Red TS, Ricca Chemical

Chemical Name or Material: pH 4.7 Phenol Red Name Note: Test Solution CAS: 7732-18-5 CAS Min %: 92.0 CAS Max %: 96.0 CAS: 1310-73-2 CAS Min %: 3.08 CAS Max %: 3.2 CAS: 64-19-7 CAS Min %: 2.97 CAS Max %: 3.09 CAS: 1310-73-2 CAS Min %: 0.06 CAS Max %: 0.06 CAS: 143-74-8 CAS Min %: 0.02 CAS Max %: 0.02 CAS: 7783-20-2 CAS Min %: 0.0045 CAS Max %: 0.0047 Physical Form: Clear, yellow liquid

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